2784133 has 4 divisors (see below), whose sum is σ = 3037248. Its totient is φ = 2531020.

The previous prime is 2784113. The next prime is 2784137. The reversal of 2784133 is 3314872.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2784133 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2784137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126541 + ... + 126562.

It is an arithmetic number, because the mean of its divisors is an integer number (759312).

2^2784133 is an apocalyptic number.

It is an amenable number.

2784133 is a deficient number, since it is larger than the sum of its proper divisors (253115).

2784133 is a wasteful number, since it uses less digits than its factorization.

2784133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253114.

The product of its digits is 4032, while the sum is 28.

The square root of 2784133 is about 1668.5721440801. The cubic root of 2784133 is about 140.6792332711.

The spelling of 2784133 in words is "two million, seven hundred eighty-four thousand, one hundred thirty-three".